@import"https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Syne:wght@700&display=swap";*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0b0c15;--surface: #13141f;--surface2: #1c1d2e;--surface3: #252638;--border: #2d2e47;--text: #eeeef4;--text-muted: #6b6c8c;--primary: #7c6af6;--primary-hover: #6a58e8;--primary-glow: rgba(124, 106, 246, .18);--primary-gradient: linear-gradient(135deg, #7c6af6 0%, #a78bfa 100%);--danger: #f87171;--sidebar-w: 252px;--header-h: 56px;--radius: 10px}:root[data-theme=light]{--bg: #eeeef6;--surface: #ffffff;--surface2: #f4f4fb;--surface3: #e8e8f2;--border: #d8d8ea;--text: #1a1a2e;--text-muted: #7878a0;--primary-glow: rgba(124, 106, 246, .14)}[data-theme=light] .message-own .message-bubble{background:linear-gradient(135deg,#ede9fe,#ddd6fe);border:1px solid #c4b5fd;color:#3b0764}[data-theme=light] .message-own .message-time{color:#3b076480}body{font-family:Plus Jakarta Sans,-apple-system,BlinkMacSystemFont,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--bg);color:var(--text);height:100vh;overflow:hidden}@keyframes spin{to{transform:rotate(360deg)}}@keyframes dots{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-4px)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.app-layout{display:flex;flex-direction:column;height:100vh}.app-body{display:flex;flex:1;overflow:hidden}.app-main{flex:1;display:flex;flex-direction:column;overflow:hidden}.header{height:var(--header-h);background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 20px;flex-shrink:0}.header-brand{font-family:Syne,sans-serif;font-weight:700;font-size:20px;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.3px}.header-left,.header-user{display:flex;align-items:center;gap:10px}.header-username{font-size:14px;font-weight:600}.sidebar{width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow-y:auto;flex-shrink:0;padding:10px 0;transition:width .25s cubic-bezier(.4,0,.2,1),padding .25s cubic-bezier(.4,0,.2,1)}.sidebar-collapsed{width:0;padding:0;overflow:hidden;border-right-width:0}.section-header{display:flex;align-items:center;justify-content:space-between;padding:10px 16px 4px}.section-title{font-size:10px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}.icon-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:18px;line-height:1;padding:2px 4px;border-radius:4px;transition:color .15s,background .15s}.icon-btn:hover{color:var(--text);background:var(--surface3)}.sidebar-empty{font-size:12px;color:var(--text-muted);padding:4px 16px}.room-list,.dm-list{padding-bottom:8px}.room-item,.dm-item{display:flex;align-items:center;gap:8px;width:100%;background:none;border:none;cursor:pointer;padding:6px 16px 6px 14px;color:var(--text-muted);font-size:14px;text-align:left;border-left:2px solid transparent;transition:background .12s,color .12s,border-color .12s}.room-item:hover,.dm-item:hover{background:var(--surface2);color:var(--text)}.room-item.active,.dm-item.active{background:var(--surface2);color:var(--text);border-left-color:var(--primary)}.room-hash{color:var(--primary);font-size:15px;opacity:.65;transition:opacity .12s}.room-item:hover .room-hash,.room-item.active .room-hash{opacity:1}.room-item-name,.dm-item-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-window{display:flex;flex-direction:column;height:100%}.chat-header{container-type:inline-size;padding:12px 20px;border-bottom:1px solid var(--border);background:var(--surface);display:flex;align-items:center;gap:8px;flex-shrink:0}.chat-room-name{font-weight:700;font-size:15px;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-header-actions{display:flex;align-items:center;gap:8px;margin-left:auto;flex-shrink:0}.chat-header-overflow{position:relative;display:none}.chat-header-overflow-trigger{width:30px;height:30px;border-radius:50%;border:1px solid var(--border);background:transparent;color:var(--text);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s,border-color .15s;padding:0;line-height:1}.chat-header-overflow-trigger svg{display:block}.chat-header-overflow-trigger:hover{background:var(--surface2);border-color:var(--primary)}.chat-header-overflow-dropdown{position:absolute;right:0;top:calc(100% + 6px);background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:0 8px 32px #00000073;min-width:150px;z-index:100;overflow:hidden}.chat-header-overflow-dropdown button{display:block;width:100%;text-align:left;padding:11px 16px;background:none;border:none;color:var(--text);font-size:14px;font-family:inherit;cursor:pointer;transition:background .1s}.chat-header-overflow-dropdown button:hover{background:var(--surface2)}.chat-header-overflow-dropdown button.danger{color:var(--danger)}@container (max-width: 340px){.chat-header-btn{display:none!important}.chat-header-overflow{display:block}}.chat-messages{flex:1;overflow-y:auto;padding:20px 16px;display:flex;flex-direction:column;gap:4px}.chat-empty,.chat-welcome{color:var(--text-muted);font-size:14px;text-align:center;margin-top:40px}.chat-welcome h2{color:var(--text);font-size:22px;font-weight:700;margin-bottom:8px}.chat-loading{display:flex;justify-content:center;align-items:center;height:100%}.chat-input-area{padding:12px 16px 16px;border-top:1px solid var(--border);flex-shrink:0}.message{display:flex;gap:8px;align-items:flex-start;padding:2px 0;max-width:80%}.message-own{flex-direction:row-reverse;align-self:flex-end}.message-content{display:flex;flex-direction:column;gap:2px;min-width:0}.message-own .message-content{align-items:flex-end}.message-author{font-size:11px;font-weight:600;color:var(--text-muted);padding:0 10px}.message-bubble{background:var(--surface2);border:1px solid var(--border);border-radius:14px;padding:9px 13px;display:flex;flex-direction:column;gap:2px;word-break:break-word}.message-own .message-bubble{background:var(--primary-gradient);border:none}.message-text{font-size:14px;line-height:1.5}.message-time{font-size:10px;color:var(--text-muted);align-self:flex-end}.message-own .message-time{color:#ffffff8c}.message-input-row{display:flex;gap:8px;align-items:flex-end}.message-input{flex:1;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);padding:11px 14px;color:var(--text);font-size:14px;resize:none;outline:none;font-family:inherit;min-height:44px;max-height:120px;transition:border-color .15s,box-shadow .15s}.message-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow)}.typing-indicator{display:flex;align-items:center;gap:6px;padding:4px 20px;font-size:12px;color:var(--text-muted);min-height:24px}.typing-dots{display:flex;gap:3px;align-items:center}.typing-dots span{width:5px;height:5px;background:var(--primary);border-radius:50%;opacity:.7;animation:dots 1.2s ease-in-out infinite}.typing-dots span:nth-child(2){animation-delay:.2s}.typing-dots span:nth-child(3){animation-delay:.4s}.btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 18px;border-radius:var(--radius);font-size:14px;font-weight:600;border:none;cursor:pointer;transition:all .15s;white-space:nowrap;-webkit-user-select:none;user-select:none;font-family:inherit}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--primary-gradient);color:#fff}.btn-primary:hover:not(:disabled){filter:brightness(1.1);box-shadow:0 4px 16px var(--primary-glow)}.btn-secondary{background:var(--surface3);color:var(--text)}.btn-secondary:hover:not(:disabled){filter:brightness(.92)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){filter:brightness(1.1)}.btn-ghost{background:none;color:var(--text-muted);padding:6px 12px}.btn-ghost:hover:not(:disabled){background:var(--surface2);color:var(--text)}.btn-spinner{width:14px;height:14px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}.input-group{display:flex;flex-direction:column;gap:5px}.input-label{font-size:13px;font-weight:600;color:var(--text-muted)}.input{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);padding:10px 14px;color:var(--text);font-size:14px;outline:none;transition:border-color .15s,box-shadow .15s;font-family:inherit;width:100%}.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow)}.input-error{border-color:var(--danger)}.input-error-msg{font-size:12px;color:var(--danger)}.auth-page{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:16px;background:radial-gradient(ellipse at 50% -10%,rgba(124,106,246,.14) 0%,transparent 65%)}.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:44px 40px;width:100%;max-width:400px;box-shadow:0 24px 64px #00000073}.auth-title{font-family:Syne,sans-serif;font-size:30px;font-weight:700;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-align:center;margin-bottom:6px}.auth-subtitle{font-size:14px;color:var(--text-muted);text-align:center;margin-bottom:32px}.auth-form{display:flex;flex-direction:column;gap:16px}.auth-error{color:var(--danger);font-size:13px;text-align:center}.auth-switch{font-size:13px;color:var(--text-muted);text-align:center;margin-top:24px}.auth-link{color:var(--primary);text-decoration:none;font-weight:600}.auth-link:hover{text-decoration:underline}.modal-overlay{position:fixed;inset:0;background:#000000b8;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:50;padding:16px}.modal{background:var(--surface);border:1px solid var(--border);border-radius:16px;width:100%;max-width:460px;max-height:85vh;overflow-y:auto;box-shadow:0 24px 64px #00000080}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--border)}.modal-title{font-size:16px;font-weight:700}.modal-close{width:28px;height:28px;background:none;border:none;color:var(--text-muted);font-size:20px;cursor:pointer;line-height:1;display:flex;align-items:center;justify-content:center;border-radius:6px;transition:background .15s,color .15s}.modal-close:hover{background:var(--surface2);color:var(--text)}.modal-body{padding:20px 22px}.room-browser{display:flex;flex-direction:column;gap:8px}.room-browser-item{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);transition:border-color .15s}.room-browser-item:hover{border-color:var(--primary)}.room-name{font-weight:600;font-size:14px}.room-desc{font-size:12px;color:var(--text-muted);margin-top:2px}.room-member-count{font-size:11px;color:var(--text-muted)}.search-result-item{display:flex;align-items:center;gap:10px;width:100%;background:none;border:none;cursor:pointer;padding:9px 10px;color:var(--text);border-radius:8px;font-size:14px;text-align:left;font-family:inherit;transition:background .1s}.search-result-item:hover{background:var(--surface2)}.members-loading{display:flex;justify-content:center;padding:24px}.not-found{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:12px}.not-found h1{font-family:Syne,sans-serif;font-size:96px;font-weight:700;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}::-webkit-scrollbar-thumb:hover{background:var(--primary)}.skeleton{background:linear-gradient(90deg,var(--surface2) 25%,var(--surface3) 50%,var(--surface2) 75%);background-size:200% 100%;animation:shimmer 1.4s ease-in-out infinite;border-radius:6px}.skeleton-item{display:flex;align-items:center;gap:8px;padding:6px 16px;height:34px}.skeleton-avatar{width:28px;height:28px;border-radius:50%;flex-shrink:0}.skeleton-text{height:11px;border-radius:6px;flex:1;max-width:120px}.skeleton-item:nth-child(2) .skeleton-text{max-width:90px}.skeleton-item:nth-child(3) .skeleton-text{max-width:140px}.skeleton-item:nth-child(4) .skeleton-text{max-width:80px}.message-skeleton{display:flex;flex-direction:column;gap:16px;padding:16px;flex:1}.message-skeleton-row{display:flex;align-items:flex-end;gap:8px}.message-skeleton-row.own{flex-direction:row-reverse}.message-skeleton-avatar{width:32px;height:32px;border-radius:50%;flex-shrink:0}.message-skeleton-bubble-wrap{display:flex;flex-direction:column;gap:4px}.message-skeleton-name{height:10px;width:64px;border-radius:4px;margin-bottom:2px}.message-skeleton-bubble{height:40px;border-radius:12px;width:100%;min-width:80px}@keyframes lightbox-in{0%{opacity:0}to{opacity:1}}.lightbox-overlay{position:fixed;inset:0;background:#000000e6;display:flex;align-items:center;justify-content:center;z-index:200;cursor:zoom-out;animation:lightbox-in .15s ease}.lightbox-img{max-width:90vw;max-height:90vh;object-fit:contain;border-radius:8px;cursor:default;box-shadow:0 24px 64px #0009}.lightbox-content{display:flex;flex-direction:column;align-items:center;gap:14px;max-width:90vw}.lightbox-caption{color:#ffffffd9;font-size:14px;line-height:1.5;text-align:center;max-width:560px}.lightbox-close{position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:50%;background:#ffffff1f;border:1px solid rgba(255,255,255,.2);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s}.lightbox-close:hover{background:#ffffff40}.msg-image-wrap{position:relative;display:inline-block}.msg-image-skeleton{width:260px;height:180px;border-radius:8px}.msg-image-loading{opacity:0;position:absolute;top:0;left:0}.msg-image-loaded{opacity:1;transition:opacity .2s ease}.message-input-wrap{display:flex;flex-direction:column;gap:8px}.upload-icon-btn{width:38px;height:38px;flex-shrink:0;background:none;border:1px solid transparent;border-radius:var(--radius);color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s,color .15s,border-color .15s}.upload-icon-btn:hover:not(:disabled){background:var(--surface2);border-color:var(--border);color:var(--text)}.upload-icon-btn:disabled{opacity:.35;cursor:not-allowed}.image-preview-wrap{position:relative;display:inline-flex;width:60px;height:60px;margin-left:4px}.image-preview{width:60px;height:60px;object-fit:cover;border-radius:8px;border:1px solid var(--border)}.image-preview-remove{position:absolute;top:-6px;right:-6px;width:18px;height:18px;background:var(--surface3);border:1px solid var(--border);border-radius:50%;color:var(--text);font-size:13px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s,border-color .15s}.image-preview-remove:hover{background:var(--danger);border-color:var(--danger);color:#fff}.msg-image{max-width:260px;max-height:300px;border-radius:10px;display:block;cursor:pointer;margin-bottom:4px;object-fit:contain}.msg-image:hover{opacity:.88}